Re: [PATCH 3/3] dt-bindings: can: rcar_can: Add r8a774a1 support

From: Simon Horman
Date: Fri Aug 24 2018 - 05:17:14 EST


On Thu, Aug 23, 2018 at 02:07:33PM +0100, Fabrizio Castro wrote:
> Document RZ/G2M (r8a774a1) SoC specific bindings and RZ/G2
> generic bindings.
>
> Signed-off-by: Fabrizio Castro <fabrizio.castro@xxxxxxxxxxxxxx>
> Signed-off-by: Chris Paterson <Chris.Paterson2@xxxxxxxxxxx>
> Reviewed-by: Biju Das <biju.das@xxxxxxxxxxxxxx>

Are we sure these clocks are for all RZ/G2 SoCs?
If so:

Reviewed-by: Simon Horman <horms+renesas@xxxxxxxxxxxx>

> ---
>
> This patch applies on next-20180823
>
> Documentation/devicetree/bindings/net/can/rcar_can.txt | 11 ++++++++---
> 1 file changed, 8 insertions(+), 3 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/net/can/rcar_can.txt b/Documentation/devicetree/bindings/net/can/rcar_can.txt
> index 94a7f33..ae8fccc 100644
> --- a/Documentation/devicetree/bindings/net/can/rcar_can.txt
> +++ b/Documentation/devicetree/bindings/net/can/rcar_can.txt
> @@ -4,6 +4,7 @@ Renesas R-Car CAN controller Device Tree Bindings
> Required properties:
> - compatible: "renesas,can-r8a7743" if CAN controller is a part of R8A7743 SoC.
> "renesas,can-r8a7745" if CAN controller is a part of R8A7745 SoC.
> + "renesas,can-r8a774a1" if CAN controller is a part of R8A774A1 SoC.
> "renesas,can-r8a7778" if CAN controller is a part of R8A7778 SoC.
> "renesas,can-r8a7779" if CAN controller is a part of R8A7779 SoC.
> "renesas,can-r8a7790" if CAN controller is a part of R8A7790 SoC.
> @@ -17,6 +18,7 @@ Required properties:
> "renesas,rcar-gen2-can" for a generic R-Car Gen2 or RZ/G1
> compatible device.
> "renesas,rcar-gen3-can" for a generic R-Car Gen3 compatible device.
> + "renesas,rzg-gen2-can" for a generic RZ/G2 compatible device.
> When compatible with the generic version, nodes must list the
> SoC-specific version corresponding to the platform first
> followed by the generic version.
> @@ -24,7 +26,9 @@ Required properties:
> - reg: physical base address and size of the R-Car CAN register map.
> - interrupts: interrupt specifier for the sole interrupt.
> - clocks: phandles and clock specifiers for 3 CAN clock inputs.
> -- clock-names: 3 clock input name strings: "clkp1", "clkp2", "can_clk".
> +- clock-names: 2 clock input name strings for RZ/G2: "clkp1", "can_clk".
> + 3 clock input name strings for every other SoC: "clkp1", "clkp2",
> + "can_clk".
> - pinctrl-0: pin control group to be used for this controller.
> - pinctrl-names: must be "default".
>
> @@ -41,8 +45,9 @@ using the below properties:
> Optional properties:
> - renesas,can-clock-select: R-Car CAN Clock Source Select. Valid values are:
> <0x0> (default) : Peripheral clock (clkp1)
> - <0x1> : Peripheral clock (clkp2)
> - <0x3> : Externally input clock
> + <0x1> : Peripheral clock (clkp2) (not supported by
> + RZ/G2 devices)
> + <0x3> : External input clock
>
> Example
> -------
> --
> 2.7.4
>